code: def reads(s, as_version, capture_validation_error=None, **kwargs):
      """Read a notebook from a string and return the NotebookNode object as the given version.
  
      The string can contain a notebook of any version.
      The notebook will be returned `as_version`, converting, if necessary.
  
      Notebook format errors will be logged.
  
      Parameters
      ----------
      s : unicode
          The raw unicode string to read the notebook from.
      as_version : int
          The version of the notebook format to return.
          The notebook will be converted, if necessary.
          Pass nbformat.NO_CONVERT to prevent conversion.
      capture_validation_error : dict, optional
          If provided, a key of "ValidationError" with a
          value of the ValidationError instance will be added
          to the dictionary.
  
      Returns
      -------
      nb : NotebookNode
          The notebook that was read.
      """
      nb = reader.reads(s, **kwargs)
      if as_version is not NO_CONVERT:
          nb = convert(nb, as_version)
      try:
          validate(nb)
      except ValidationError as e:
          get_logger().error("Notebook JSON is invalid: %s", e)
          if isinstance(capture_validation_error, dict):
              capture_validation_error["ValidationError"] = e
      return nb
  
file_path: nbformat/nbformat/__init__.py
imports: from __future__ import annotations
  from pathlib import Path
  from traitlets.log import get_logger
  from .None import v1, v2, v3, v4
  from ._version import __version__, version_info
  from .sentinel import Sentinel
  from .None import reader
  from .converter import convert
  from .notebooknode import NotebookNode, from_dict
  from .v4 import nbformat
  from .v4 import nbformat_minor
  from .validator import ValidationError, validate
label_desc: Use image node_id 1 for calling a global function with example usage: reads(s, as_version, capture_validation_error) and returns: nb